| 摘要: |
| ［摘要］ 突发性耳聋（突聋）为耳科常见病, 其病因和发病机理迄今仍不十分清楚。内耳迷路及脑干的血供皆来源于基底动脉系统, 多数学者认为耳蜗微循环障碍是导致突发性聋的重要原因之一。经颅多普勒检查（TCD）是无痛无创性、简单易行、重复性强的物理探测和电生理探测技术, 通过检测脑底动脉血流动力学变化，可较准确地判断脑缺血的范围和程度，探讨突聋的发病与椎基底动脉和小脑后下动脉血流动力学改变的关系，并能了解单支血管的血流情况，直接观察椎基底动脉是否痉挛或收缩, 观察脑缺血范围和程度。对研究突发性耳聋的发病机制及提高突聋的检出率均有重要价值。 |
| 关键词: 突发性耳聋 经颅多普勒 椎基底动脉 |
| DOI：10.3969/j.issn.1674-3806.2009.12.43 |
| 分类号:R 764.43 |
| 基金项目:广西壮族自治区卫生厅自筹经费科研课题（NO.Z2009145） |
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| The research advance of TCD in detection of sudden deafness |
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TANG De-ping, ZHU Qiu-mei
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Department Neurology, the People′s Hospital of Guangxi Zhuang Autonomous Region, Nanning 530021, China
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| Abstract: |
| ［Abstract］ Sudden deafness is a common disease of otology, but the etiological factor and pathogenesis are not clear. The blood supply of labyrinthus oticus and brain stem source from vertebral-basal artery system. Most scholars consider that the disorder of microcirculation in cochlea is one of the important reasons. Transcranial Doppler ultrasonography (TCD) is a detection technique using physics and electrophysiology technology, which has the characteristic such as no pain and wounds, simple and easy maniputation, better reproducibility. Detecting the changes of haemodynamics in arteria basilaris by TCD can more exactly judge the extent and scope of the cerebral ischemia, observe the relation between the morbility of sudden deafness and the changes of haemodynamics in vertebral-basal artery and posterior inferior cerebellar artery, understand the information of blood flow in single blood vessel, directly observe the spasm or contraction of vertebral-basal artery, the extent and scope of the cerebral ischemia. The value of research is important in studying the pathogenesis and improving the detection rate of sudden deafness. |
| Key words: Sudden deafness Transcranial Doppler ultrasonography Vertebral-basal artery |
